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util: Conditionalize some syscalls in syscall name table

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Put these in `#ifdef` as they are newer syscalls that might not be
defined on all kernels:

     __NR_pkey_alloc
     __NR_pkey_free
     __NR_pkey_mprotect
     __NR_preadv2
     __NR_pwritev2

Thanks to jamesob for reporting.
This commit is contained in:
W. J. van der Laan 2021-10-05 19:36:20 +02:00
parent 64085b37f8
commit ac402e749c
1 changed files with 10 additions and 0 deletions
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10
src/util/syscall_sandbox.cpp
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@ -272,15 +272,23 @@ const std::map<uint32_t, std::string> LINUX_SYSCALLS{
{__NR_pipe, "pipe"},
{__NR_pipe2, "pipe2"},
{__NR_pivot_root, "pivot_root"},
#ifdef __NR_pkey_alloc
{__NR_pkey_alloc, "pkey_alloc"},
#endif
#ifdef __NR_pkey_free
{__NR_pkey_free, "pkey_free"},
#endif
#ifdef __NR_pkey_mprotect
{__NR_pkey_mprotect, "pkey_mprotect"},
#endif
{__NR_poll, "poll"},
{__NR_ppoll, "ppoll"},
{__NR_prctl, "prctl"},
{__NR_pread64, "pread64"},
{__NR_preadv, "preadv"},
#ifdef __NR_preadv2
{__NR_preadv2, "preadv2"},
#endif
{__NR_prlimit64, "prlimit64"},
{__NR_process_vm_readv, "process_vm_readv"},
{__NR_process_vm_writev, "process_vm_writev"},
@ -289,7 +297,9 @@ const std::map<uint32_t, std::string> LINUX_SYSCALLS{
{__NR_putpmsg, "putpmsg"},
{__NR_pwrite64, "pwrite64"},
{__NR_pwritev, "pwritev"},
#ifdef __NR_pwritev2
{__NR_pwritev2, "pwritev2"},
#endif
{__NR_query_module, "query_module"},
{__NR_quotactl, "quotactl"},
{__NR_read, "read"},